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To remedy that need, Lethal’s in-house energy-drink-tester Jared Rosen enthusiastically flashes the custom Jon Lund tune into the Boss with an SCT X3 Power Flash Ford programmer (PN SCT-3000-11GT; $479). Combined, the JLT and Lund tune provided peak gains of 11.27 hp and 0.13 lb-ft of torque.